PD200X4 V2 Manual
8
Modified 13/01/2021
Figure 3. Calculator inputs for driving a bridged 1uF load with +/-200V.
The recommended order codes for bridge-mode operation are listed in Table 2. Note that any
PD200X4 amplifier can be operated with a bridged load; however, asymmetric voltage ranges (e.g. 0V
to +200V) require the inversion function to be implemented externally. That is, the channels are
operated as single channels. For simplicity with bridged loads, it is recommend to set the DC Offset of
all channels to zero using the –OSD option.
Bridge Mode
Output
Single Channel
Output
RMS
Current
Peak
Current
Recommended
Order Code
+/-100 V
-50 to +50 V
1.20 A
2 A
PD200X4-V50,50-OSD
+/-200 V
-100 to +100 V
0.57 A
2 A
PD200X4-V100,100-OSD
Table 2. Recommended amplifier configurations for bridged mode operation.
8
Overload and Shutdown
Each channel is protected against short-circuit, over-current, and over-temperature. During these
conditions, the effected outputs are disabled and the overload indicator will illuminate. An overload
on any channel is also reported by a logic high on the FAULT signal, located on the auxiliary signals
connector.
At turn-on, some or all of the overload indicators may illuminate briefly.
An over-temperature condition will disable all channels for a few seconds until the temperature
returns to a safe level. If this occurs, ensure the air intake and exhaust are not obstructed.
The amplifier can be shut down by an external source by applying a voltage of b3V and +24V
to the DISABLE signal on the auxiliary signals connector. The input impedance of the shutdown input
is approximately 10 kΩ.
